| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 3Q21 | 495,832 | +57.2% |
| 2Q21 | 474,962 | +46.1% |
| 1Q21 | 430,056 | +25.3% |
| 4Q20 | 376,628 | -0.0% |
| 3Q20 | 315,350 | -19.4% |
| 2Q20 | 325,012 | +2173.0% |
| 1Q20 | 343,271 | +2295.0% |
| 4Q19 | 376,692 | +1870.8% |
| 3Q19 | 391,053 | +2301.2% |
| 2Q19 | 14,299 | -28.1% |
| 1Q19 | 14,333 | +9.9% |
| 4Q18 | 19,114 | +15.3% |
| 3Q18 | 16,286 | -13.2% |
| 2Q18 | 19,883 | +87.7% |
| 1Q18 | 13,042 | -35.0% |
| 4Q17 | 16,584 | -17.1% |
| 3Q17 | 18,772 | +6.4% |
| 2Q17 | 10,594 | -26.0% |
| 1Q17 | 20,062 | +103.6% |
| 4Q16 | 19,996 | +47.4% |
| 3Q16 | 17,650 | +39.3% |
| 2Q16 | 14,317 | -5.4% |
| 1Q16 | 9,853 | -62.1% |
| 4Q15 | 13,569 | +6.3% |
| 3Q15 | 12,674 | -5.2% |
| 2Q15 | 15,135 | -15.9% |
| 1Q15 | 25,967 | -1.4% |
| 4Q14 | 12,760 | -57.1% |
| 3Q14 | 13,365 | +10.2% |
| 2Q14 | 18,003 | +76.3% |
| 1Q14 | 26,337 | - |
| 4Q13 | 29,735 | - |
| 3Q13 | 12,130 | - |
| 2Q13 | 10,209 | - |
| 2Q11 | 10,642 | - |